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76972542 = 2312828757
BaseRepresentation
bin1001001011010…
…00000111111110
312100211121110220
410211220013332
5124201110132
611345442210
71623153513
oct445500776
9170747426
1076972542
113a4a3679
1221940366
1312c403aa
14a31930a
156b56a2c
hex49681fe

76972542 has 8 divisors (see below), whose sum is σ = 153945096. Its totient is φ = 25657512.

The previous prime is 76972531. The next prime is 76972561. The reversal of 76972542 is 24527967.

It is a sphenic number, since it is the product of 3 distinct primes.

76972542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 76972494 and 76972503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6414373 + ... + 6414384.

It is an arithmetic number, because the mean of its divisors is an integer number (19243137).

Almost surely, 276972542 is an apocalyptic number.

76972542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76972542 is a wasteful number, since it uses less digits than its factorization.

76972542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12828762.

The product of its digits is 211680, while the sum is 42.

The square root of 76972542 is about 8773.3996831331. The cubic root of 76972542 is about 425.3815111737.

The spelling of 76972542 in words is "seventy-six million, nine hundred seventy-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 12828757 25657514 38486271 76972542