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101438956 = 22157161527
BaseRepresentation
bin1100000101111…
…01010111101100
321001212122002101
412002331113230
5201432021311
614022104444
72341134253
oct602752754
9231778071
10101438956
1152294653
1229b7b124
1318028768
14d68779a
158d8aec1
hex60bd5ec

101438956 has 12 divisors (see below), whose sum is σ = 178649968. Its totient is φ = 50396112.

The previous prime is 101438951. The next prime is 101438957. The reversal of 101438956 is 659834101.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (101438951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80136 + ... + 81391.

Almost surely, 2101438956 is an apocalyptic number.

It is an amenable number.

101438956 is a deficient number, since it is larger than the sum of its proper divisors (77211012).

101438956 is a wasteful number, since it uses less digits than its factorization.

101438956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161688 (or 161686 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 101438956 is about 10071.6908213070. The cubic root of 101438956 is about 466.3746365663.

The spelling of 101438956 in words is "one hundred one million, four hundred thirty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 4 157 314 628 161527 323054 646108 25359739 50719478 101438956