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74699269 = 149350033
BaseRepresentation
bin1000111001111…
…01001000000101
312012120010010121
410130331020011
5123110334034
611225021541
71564635061
oct434751005
9165503117
1074699269
1139190737
12210248b1
1312625768
149cc6aa1
1568581b4
hex473d205

74699269 has 4 divisors (see below), whose sum is σ = 74750796. Its totient is φ = 74647744.

The previous prime is 74699249. The next prime is 74699291. The reversal of 74699269 is 96299647.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96299647 = 109883483.

It can be written as a sum of positive squares in 2 ways, for example, as 30636225 + 44063044 = 5535^2 + 6638^2 .

It is a cyclic number.

It is not a de Polignac number, because 74699269 - 25 = 74699237 is a prime.

It is a super-2 number, since 2×746992692 = 11159961578268722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74699249) 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, 23524 + ... + 26509.

It is an arithmetic number, because the mean of its divisors is an integer number (18687699).

Almost surely, 274699269 is an apocalyptic number.

It is an amenable number.

74699269 is a deficient number, since it is larger than the sum of its proper divisors (51527).

74699269 is a wasteful number, since it uses less digits than its factorization.

74699269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51526.

The product of its digits is 1469664, while the sum is 52.

The square root of 74699269 is about 8642.8738854619. The cubic root of 74699269 is about 421.1519190391.

The spelling of 74699269 in words is "seventy-four million, six hundred ninety-nine thousand, two hundred sixty-nine".

Divisors: 1 1493 50033 74699269