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2739908157 = 37257732303
BaseRepresentation
bin1010001101001111…
…1010111000111101
321001221121202101220
42203103322320331
521102404030112
61131513423553
7124616556300
oct24323727075
97057552356
102739908157
111186674608
1264570abb9
1334884a53c
141bdc60b37
1511081998c
hexa34fae3d

2739908157 has 24 divisors (see below), whose sum is σ = 4257150336. Its totient is φ = 1562899968.

The previous prime is 2739908153. The next prime is 2739908177. The reversal of 2739908157 is 7518099372.

It is not a de Polignac number, because 2739908157 - 22 = 2739908153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739908153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68668 + ... + 100970.

It is an arithmetic number, because the mean of its divisors is an integer number (177381264).

Almost surely, 22739908157 is an apocalyptic number.

It is an amenable number.

2739908157 is a deficient number, since it is larger than the sum of its proper divisors (1517242179).

2739908157 is a wasteful number, since it uses less digits than its factorization.

2739908157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32897 (or 32890 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 2739908157 is about 52344.1320206955. The cubic root of 2739908157 is about 1399.3037621428.

The spelling of 2739908157 in words is "two billion, seven hundred thirty-nine million, nine hundred eight thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 49 147 577 1731 4039 12117 28273 32303 84819 96909 226121 678363 1582847 4748541 18638831 55916493 130471817 391415451 913302719 2739908157