[go: up one dir, main page]

Search a number
-
+
139880562 = 23137379449
BaseRepresentation
bin10000101011001…
…10100001110010
3100202012200001120
420111212201302
5241302134222
621514043110
73315652023
oct1025464162
9322180046
10139880562
1171a60378
123aa19496
1322c97b83
1414812c4a
15c43115c
hex8566872

139880562 has 32 divisors (see below), whose sum is σ = 283176000. Its totient is φ = 46061568.

The previous prime is 139880557. The next prime is 139880599. The reversal of 139880562 is 265088931.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311314 + ... + 311762.

It is an arithmetic number, because the mean of its divisors is an integer number (8849250).

Almost surely, 2139880562 is an apocalyptic number.

139880562 is an abundant number, since it is smaller than the sum of its proper divisors (143295438).

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

139880562 is a wasteful number, since it uses less digits than its factorization.

139880562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 139880562 is about 11827.1113125733. Note that the first 3 decimals coincide. The cubic root of 139880562 is about 519.1017060044.

The spelling of 139880562 in words is "one hundred thirty-nine million, eight hundred eighty thousand, five hundred sixty-two".

Divisors: 1 2 3 6 137 274 379 411 449 758 822 898 1137 1347 2274 2694 51923 61513 103846 123026 155769 170171 184539 311538 340342 369078 510513 1021026 23313427 46626854 69940281 139880562