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1401472464 = 243733712377
BaseRepresentation
bin101001110001000…
…1100010111010000
310121200010011210120
41103202030113100
510332234104324
6351022230240
746505214360
oct12342142720
93550104716
101401472464
1165a105007
12331425380
13194475a62
14d41b69a0
1583086179
hex5388c5d0

1401472464 has 80 divisors (see below), whose sum is σ = 4150293888. Its totient is φ = 399200256.

The previous prime is 1401472441. The next prime is 1401472483. The reversal of 1401472464 is 4642741041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107044 + ... + 119420.

Almost surely, 21401472464 is an apocalyptic number.

1401472464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401472464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075146944).

1401472464 is an abundant number, since it is smaller than the sum of its proper divisors (2748821424).

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

1401472464 is a wasteful number, since it uses less digits than its factorization.

1401472464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12732 (or 12726 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 1401472464 is about 37436.2453245514. The cubic root of 1401472464 is about 1119.0810020897.

The spelling of 1401472464 in words is "one billion, four hundred one million, four hundred seventy-two thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 337 674 1011 1348 2022 2359 2696 4044 4718 5392 7077 8088 9436 12377 14154 16176 18872 24754 28308 37131 37744 49508 56616 74262 86639 99016 113232 148524 173278 198032 259917 297048 346556 519834 594096 693112 1039668 1386224 2079336 4158672 4171049 8342098 12513147 16684196 25026294 29197343 33368392 50052588 58394686 66736784 87592029 100105176 116789372 175184058 200210352 233578744 350368116 467157488 700736232 1401472464