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102156146 = 260678419
BaseRepresentation
bin1100001011011…
…00011101110010
321010020001212222
412011230131302
5202122444041
614045321042
72350212221
oct605543562
9233201788
10102156146
1152734474
122a266182
131821a031
14d7d2cb8
158e7d74b
hex616c772

102156146 has 8 divisors (see below), whose sum is σ = 153277680. Its totient is φ = 51063588.

The previous prime is 102156137. The next prime is 102156161. The reversal of 102156146 is 641651201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7925 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (19159710).

Almost surely, 2102156146 is an apocalyptic number.

102156146 is a deficient number, since it is larger than the sum of its proper divisors (51121534).

102156146 is an equidigital number, since it uses as much as digits as its factorization.

102156146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14488.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 102156146 is about 10107.2323610373. The cubic root of 102156146 is about 467.4711713566.

It can be divided in two parts, 10215 and 6146, that added together give a palindrome (16361).

The spelling of 102156146 in words is "one hundred two million, one hundred fifty-six thousand, one hundred forty-six".

Divisors: 1 2 6067 8419 12134 16838 51078073 102156146