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101357431 = 722068519
BaseRepresentation
bin1100000101010…
…01011101110111
321001201111020221
412002221131313
5201421414211
614020235211
72340344500
oct602513567
9231644227
10101357431
115223937a
1229b3bb07
1317cca616
14d665ba7
158d71c71
hex60a9777

101357431 has 6 divisors (see below), whose sum is σ = 117905640. Its totient is φ = 86877756.

The previous prime is 101357411. The next prime is 101357447. The reversal of 101357431 is 134753101.

It is not a de Polignac number, because 101357431 - 29 = 101356919 is a prime.

It is a super-2 number, since 2×1013574312 = 20546657637839522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101357396 and 101357405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101357401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1034211 + ... + 1034308.

It is an arithmetic number, because the mean of its divisors is an integer number (19650940).

Almost surely, 2101357431 is an apocalyptic number.

101357431 is a deficient number, since it is larger than the sum of its proper divisors (16548209).

101357431 is an equidigital number, since it uses as much as digits as its factorization.

101357431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068533 (or 2068526 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 101357431 is about 10067.6427727646. The cubic root of 101357431 is about 466.2496635973.

The spelling of 101357431 in words is "one hundred one million, three hundred fifty-seven thousand, four hundred thirty-one".

Divisors: 1 7 49 2068519 14479633 101357431