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211254152 = 2326406769
BaseRepresentation
bin11001001011101…
…11101110001000
3112201111211012212
430211313232020
5413040113102
632543524252
75143426214
oct1445675610
9481454185
10211254152
11a927a40a
125a8b9688
13349c7975
14200b1944
151382dc52
hexc977b88

211254152 has 8 divisors (see below), whose sum is σ = 396101550. Its totient is φ = 105627072.

The previous prime is 211254151. The next prime is 211254157. The reversal of 211254152 is 251452112.

It can be written as a sum of positive squares in only one way, i.e., 129640996 + 81613156 = 11386^2 + 9034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (211254151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13203377 + ... + 13203392.

Almost surely, 2211254152 is an apocalyptic number.

It is an amenable number.

211254152 is a deficient number, since it is larger than the sum of its proper divisors (184847398).

211254152 is a wasteful number, since it uses less digits than its factorization.

211254152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26406775 (or 26406771 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 211254152 is about 14534.5846861890. The cubic root of 211254152 is about 595.5731144320.

The spelling of 211254152 in words is "two hundred eleven million, two hundred fifty-four thousand, one hundred fifty-two".

Divisors: 1 2 4 8 26406769 52813538 105627076 211254152