Search a number
-
+
2742051925 = 52157969463
BaseRepresentation
bin1010001101110000…
…0110010001010101
321002002122200002201
42203130012101111
521103431130200
61132031404501
7124644025324
oct24334062125
97062580081
102742051925
1111878a9218
12646383731
1334911b242
141c025c0bb
15110adec6a
hexa3706455

2742051925 has 12 divisors (see below), whose sum is σ = 3402346720. Its totient is φ = 2192220720.

The previous prime is 2742051913. The next prime is 2742051971. The reversal of 2742051925 is 5291502472.

It is not a de Polignac number, because 2742051925 - 215 = 2742019157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4744 + ... + 74206.

Almost surely, 22742051925 is an apocalyptic number.

2742051925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2742051925 is a deficient number, since it is larger than the sum of its proper divisors (660294795).

2742051925 is a wasteful number, since it uses less digits than its factorization.

2742051925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71052 (or 71047 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2742051925 is about 52364.6056511457. The cubic root of 2742051925 is about 1399.6686162947.

The spelling of 2742051925 in words is "two billion, seven hundred forty-two million, fifty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 1579 7895 39475 69463 347315 1736575 109682077 548410385 2742051925