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245274838 = 21943150107
BaseRepresentation
bin11101001111010…
…01100011010110
3122002112020211021
432213221203112
51000242243323
640201031354
76035541664
oct1647514326
9562466737
10245274838
111164a6686
126a18555a
133ba79a53
1424809c34
15167ee05d
hexe9e98d6

245274838 has 16 divisors (see below), whose sum is σ = 396285120. Its totient is φ = 113480136.

The previous prime is 245274823. The next prime is 245274871. The reversal of 245274838 is 838472542.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 245274794 and 245274803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73420 + ... + 76687.

It is an arithmetic number, because the mean of its divisors is an integer number (24767820).

Almost surely, 2245274838 is an apocalyptic number.

245274838 is a deficient number, since it is larger than the sum of its proper divisors (151010282).

245274838 is a wasteful number, since it uses less digits than its factorization.

245274838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150171.

The product of its digits is 430080, while the sum is 43.

The square root of 245274838 is about 15661.2527595975. The cubic root of 245274838 is about 625.9663668062.

The spelling of 245274838 in words is "two hundred forty-five million, two hundred seventy-four thousand, eight hundred thirty-eight".

Divisors: 1 2 19 38 43 86 817 1634 150107 300214 2852033 5704066 6454601 12909202 122637419 245274838