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140035272 = 233131393229
BaseRepresentation
bin10000101100011…
…00010011001000
3100202111112021120
420112030103020
5241322112042
621521235240
73320165046
oct1026142310
9322445246
10140035272
1172056633
123aa92b20
1323020410
1414853396
15c461dec
hex858c4c8

140035272 has 64 divisors (see below), whose sum is σ = 379848000. Its totient is φ = 42764544.

The previous prime is 140035267. The next prime is 140035289. The reversal of 140035272 is 272530041.

It is a super-2 number, since 2×1400352722 = 39219754808227968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41754 + ... + 44982.

It is an arithmetic number, because the mean of its divisors is an integer number (5935125).

Almost surely, 2140035272 is an apocalyptic number.

140035272 is a gapful number since it is divisible by the number (12) 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 140035272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189924000).

140035272 is an abundant number, since it is smaller than the sum of its proper divisors (239812728).

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

140035272 is a wasteful number, since it uses less digits than its factorization.

140035272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3386 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 140035272 is about 11833.6499863736. The cubic root of 140035272 is about 519.2930135835.

The spelling of 140035272 in words is "one hundred forty million, thirty-five thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 139 156 278 312 417 556 834 1112 1668 1807 3229 3336 3614 5421 6458 7228 9687 10842 12916 14456 19374 21684 25832 38748 41977 43368 77496 83954 125931 167908 251862 335816 448831 503724 897662 1007448 1346493 1795324 2692986 3590648 5385972 5834803 10771944 11669606 17504409 23339212 35008818 46678424 70017636 140035272