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142091737 = 4311329243
BaseRepresentation
bin10000111100000…
…10010111011001
3100220101000012221
420132002113121
5242333413422
622033304041
73343521424
oct1036022731
9326330187
10142091737
1173230697
123b705021
1323590468
1414c2a9bb
15c71b3c7
hex87825d9

142091737 has 8 divisors (see below), whose sum is σ = 146687904. Its totient is φ = 137554368.

The previous prime is 142091731. The next prime is 142091743. The reversal of 142091737 is 737190241.

It is an interprime number because it is at equal distance from previous prime (142091731) and next prime (142091743).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142091737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142091731) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9763 + ... + 19480.

It is an arithmetic number, because the mean of its divisors is an integer number (18335988).

Almost surely, 2142091737 is an apocalyptic number.

It is an amenable number.

142091737 is a deficient number, since it is larger than the sum of its proper divisors (4596167).

142091737 is a wasteful number, since it uses less digits than its factorization.

142091737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29399.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 142091737 is about 11920.2238653475. The cubic root of 142091737 is about 521.8226681937.

The spelling of 142091737 in words is "one hundred forty-two million, ninety-one thousand, seven hundred thirty-seven".

Divisors: 1 43 113 4859 29243 1257449 3304459 142091737