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2978152 = 23372269
BaseRepresentation
bin1011010111000101101000
312121022020221
423113011220
51230300102
6143455424
734212442
oct13270550
95538227
102978152
111754591
12bb7574
13803728
14577492
153dc637
hex2d7168

2978152 has 8 divisors (see below), whose sum is σ = 5584050. Its totient is φ = 1489072.

The previous prime is 2978147. The next prime is 2978161. The reversal of 2978152 is 2518792.

2978152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1552516 + 1425636 = 1246^2 + 1194^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186127 + ... + 186142.

22978152 is an apocalyptic number.

It is an amenable number.

2978152 is a deficient number, since it is larger than the sum of its proper divisors (2605898).

2978152 is a wasteful number, since it uses less digits than its factorization.

2978152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372275 (or 372271 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 2978152 is about 1725.7323083259. The cubic root of 2978152 is about 143.8739895581.

The spelling of 2978152 in words is "two million, nine hundred seventy-eight thousand, one hundred fifty-two".

Divisors: 1 2 4 8 372269 744538 1489076 2978152