Search a number
-
+
155072054 = 2837871187
BaseRepresentation
bin10010011111000…
…11011000110110
3101210210110212102
421033203120312
5304144301204
623215422102
73562043054
oct1117433066
9353713772
10155072054
117a596a25
1243b24932
1326186717
14168491d4
15d93241e
hex93e3636

155072054 has 16 divisors (see below), whose sum is σ = 235908288. Its totient is φ = 76440072.

The previous prime is 155072051. The next prime is 155072059. The reversal of 155072054 is 450270551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155072051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130049 + ... + 131235.

It is an arithmetic number, because the mean of its divisors is an integer number (14744268).

Almost surely, 2155072054 is an apocalyptic number.

155072054 is a deficient number, since it is larger than the sum of its proper divisors (80836234).

155072054 is a wasteful number, since it uses less digits than its factorization.

155072054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 155072054 is about 12452.7930200417. The cubic root of 155072054 is about 537.2517594636.

The spelling of 155072054 in words is "one hundred fifty-five million, seventy-two thousand, fifty-four".

Divisors: 1 2 83 166 787 1187 1574 2374 65321 98521 130642 197042 934169 1868338 77536027 155072054