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151706742 = 231117135211
BaseRepresentation
bin10010000101011…
…01110001110110
3101120110111112020
421002231301312
5302314103432
623015334010
73521325465
oct1102556166
9346414466
10151706742
11786a8580
1242981306
1325578a05
14162109dc
15d4ba22c
hex90adc76

151706742 has 32 divisors (see below), whose sum is σ = 350469504. Its totient is φ = 43267200.

The previous prime is 151706719. The next prime is 151706749. The reversal of 151706742 is 247607151.

151706742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151706749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66484 + ... + 68727.

It is an arithmetic number, because the mean of its divisors is an integer number (10952172).

Almost surely, 2151706742 is an apocalyptic number.

151706742 is an abundant number, since it is smaller than the sum of its proper divisors (198762762).

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

151706742 is a wasteful number, since it uses less digits than its factorization.

151706742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135244.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 151706742 is about 12316.9290815528. The cubic root of 151706742 is about 533.3368938130.

It can be divided in two parts, 15170 and 6742, that added together give a palindrome (21912).

The spelling of 151706742 in words is "one hundred fifty-one million, seven hundred six thousand, seven hundred forty-two".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1122 135211 270422 405633 811266 1487321 2298587 2974642 4461963 4597174 6895761 8923926 13791522 25284457 50568914 75853371 151706742