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10672605 = 3254872
BaseRepresentation
bin101000101101…
…100111011101
3202002020001200
4220231213131
510213010410
61020430113
7156500316
oct50554735
922066050
1010672605
11602a539
1236a8339
132298a68
1415bb60d
15e0c3c0
hexa2d9dd

10672605 has 18 divisors (see below), whose sum is σ = 18537246. Its totient is φ = 5680368.

The previous prime is 10672603. The next prime is 10672633. The reversal of 10672605 is 50627601.

It can be written as a sum of positive squares in only one way, i.e., 8538084 + 2134521 = 2922^2 + 1461^2 .

It is not a de Polignac number, because 10672605 - 21 = 10672603 is a prime.

It is a super-2 number, since 2×106726052 = 227808994972050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10672603) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21672 + ... + 22158.

It is an arithmetic number, because the mean of its divisors is an integer number (1029847).

Almost surely, 210672605 is an apocalyptic number.

10672605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10672605 is a deficient number, since it is larger than the sum of its proper divisors (7864641).

10672605 is an frugal number, since it uses more digits than its factorization.

10672605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 10672605 is about 3266.8953151272. The cubic root of 10672605 is about 220.1693255660.

The spelling of 10672605 in words is "ten million, six hundred seventy-two thousand, six hundred five".

Divisors: 1 3 5 9 15 45 487 1461 2435 4383 7305 21915 237169 711507 1185845 2134521 3557535 10672605