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1490723325 = 335272133467
BaseRepresentation
bin101100011011010…
…1010000111111101
310211220001120222000
41120312222013331
511023111121300
6403531212513
751640640100
oct13066520775
93756046860
101490723325
116a5524553
123572a7139
131a9ac4a10
14101daa737
158ad15c00
hex58daa1fd

1490723325 has 144 divisors (see below), whose sum is σ = 3431655360. Its totient is φ = 628871040.

The previous prime is 1490723317. The next prime is 1490723327. The reversal of 1490723325 is 5233270941.

It is not a de Polignac number, because 1490723325 - 23 = 1490723317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1490723325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490723327) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 428242 + ... + 431708.

It is an arithmetic number, because the mean of its divisors is an integer number (23830940).

Almost surely, 21490723325 is an apocalyptic number.

1490723325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1490723325 is an abundant number, since it is smaller than the sum of its proper divisors (1940932035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490723325 is a wasteful number, since it uses less digits than its factorization.

1490723325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1490723325 is about 38609.8863634691. The cubic root of 1490723325 is about 1142.3495517299.

The spelling of 1490723325 in words is "one billion, four hundred ninety million, seven hundred twenty-three thousand, three hundred twenty-five".

Divisors: 1 3 5 7 9 13 15 21 25 27 35 39 45 49 63 65 75 91 105 117 135 147 175 189 195 225 245 273 315 325 351 441 455 525 585 637 675 735 819 945 975 1225 1323 1365 1575 1755 1911 2205 2275 2457 2925 3185 3467 3675 4095 4725 5733 6615 6825 8775 9555 10401 11025 12285 15925 17199 17335 20475 24269 28665 31203 33075 45071 47775 52005 61425 72807 85995 86675 93609 121345 135213 143325 156015 169883 218421 225355 260025 315497 364035 405639 429975 468045 509649 606725 655263 676065 780075 849415 946491 1092105 1126775 1216917 1528947 1577485 1820175 2028195 2208479 2340225 2548245 2839473 3276315 3380325 4247075 4586841 4732455 5460525 6084585 6625437 7644735 7887425 8518419 10140975 11042395 12741225 14197365 16381575 19876311 22934205 23662275 30422925 33127185 38223675 42592095 55211975 59628933 70986825 99381555 114671025 165635925 212960475 298144665 496907775 1490723325