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69650072 = 2323378533
BaseRepresentation
bin1000010011011…
…00011010011000
311212001120221022
410021230122120
5120312300242
610524502012
71504005302
oct411543230
9155046838
1069650072
1136352148
121b3aa908
131157847b
149370972
1561ac0d2
hex426c698

69650072 has 16 divisors (see below), whose sum is σ = 136272240. Its totient is φ = 33310816.

The previous prime is 69650069. The next prime is 69650101. The reversal of 69650072 is 27005696.

It is a super-2 number, since 2×696500722 = 9702265059210368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189083 + ... + 189450.

It is an arithmetic number, because the mean of its divisors is an integer number (8517015).

Almost surely, 269650072 is an apocalyptic number.

It is an amenable number.

69650072 is a deficient number, since it is larger than the sum of its proper divisors (66622168).

69650072 is a wasteful number, since it uses less digits than its factorization.

69650072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378562 (or 378558 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 69650072 is about 8345.6618671020. The cubic root of 69650072 is about 411.4406428796.

The spelling of 69650072 in words is "sixty-nine million, six hundred fifty thousand, seventy-two".

Divisors: 1 2 4 8 23 46 92 184 378533 757066 1514132 3028264 8706259 17412518 34825036 69650072