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142097232 = 2438293571
BaseRepresentation
bin10000111100000…
…11101101010000
3100220101021202110
420132003231100
5242334102412
622033345320
73343543434
oct1036035520
9326337673
10142097232
1173234832
123b708240
1323592b04
1414c2c9c4
15c71cd3c
hex8783b50

142097232 has 40 divisors (see below), whose sum is σ = 367630240. Its totient is φ = 47295360.

The previous prime is 142097173. The next prime is 142097261. The reversal of 142097232 is 232790241.

It is a self number, because there is not a number n which added to its sum of digits gives 142097232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38007 + ... + 41577.

It is an arithmetic number, because the mean of its divisors is an integer number (9190756).

Almost surely, 2142097232 is an apocalyptic number.

142097232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142097232 is an abundant number, since it is smaller than the sum of its proper divisors (225533008).

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

142097232 is a wasteful number, since it uses less digits than its factorization.

142097232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 142097232 is about 11920.4543537568. The cubic root of 142097232 is about 521.8293947837.

The spelling of 142097232 in words is "one hundred forty-two million, ninety-seven thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 829 1658 2487 3316 3571 4974 6632 7142 9948 10713 13264 14284 19896 21426 28568 39792 42852 57136 85704 171408 2960359 5920718 8881077 11841436 17762154 23682872 35524308 47365744 71048616 142097232