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425102472 = 233337431237
BaseRepresentation
bin11001010101101…
…000110010001000
31002121220102222000
4121111220302020
51332311234342
6110103231000
713351211544
oct3125506210
91077812860
10425102472
111a8a60863
12ba448460
136a0c0332
144065aa24
15274c144c
hex19568c88

425102472 has 128 divisors (see below), whose sum is σ = 1241961600. Its totient is φ = 134555904.

The previous prime is 425102443. The next prime is 425102477. The reversal of 425102472 is 274201524.

It is a super-2 number, since 2×4251024722 = 361424223401021568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (425102477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 343038 + ... + 344274.

It is an arithmetic number, because the mean of its divisors is an integer number (9702825).

Almost surely, 2425102472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425102472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620980800).

425102472 is an abundant number, since it is smaller than the sum of its proper divisors (816859128).

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

425102472 is a wasteful number, since it uses less digits than its factorization.

425102472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 425102472 is about 20618.0132893545. The cubic root of 425102472 is about 751.9077193614.

Adding to 425102472 its reverse (274201524), we get a palindrome (699303996).

The spelling of 425102472 in words is "four hundred twenty-five million, one hundred two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 37 43 54 72 74 86 108 111 129 148 172 216 222 258 296 333 344 387 444 516 666 774 888 999 1032 1161 1237 1332 1548 1591 1998 2322 2474 2664 3096 3182 3711 3996 4644 4773 4948 6364 7422 7992 9288 9546 9896 11133 12728 14319 14844 19092 22266 28638 29688 33399 38184 42957 44532 45769 53191 57276 66798 85914 89064 91538 106382 114552 133596 137307 159573 171828 183076 212764 267192 274614 319146 343656 366152 411921 425528 478719 549228 638292 823842 957438 1098456 1235763 1276584 1436157 1647684 1914876 1968067 2471526 2872314 3295368 3829752 3936134 4943052 5744628 5904201 7872268 9886104 11489256 11808402 15744536 17712603 23616804 35425206 47233608 53137809 70850412 106275618 141700824 212551236 425102472