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88211972 = 2222052993
BaseRepresentation
bin1010100001000…
…00001000000100
320010222122002002
411100200020010
5140040240342
612430404432
72120534522
oct520401004
9203878062
1088211972
114587aa62
1225660718
1315377144
14ba03312
157b26d32
hex5420204

88211972 has 6 divisors (see below), whose sum is σ = 154370958. Its totient is φ = 44105984.

The previous prime is 88211941. The next prime is 88211983. The reversal of 88211972 is 27911288.

It can be written as a sum of positive squares in only one way, i.e., 59845696 + 28366276 = 7736^2 + 5326^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026493 + ... + 11026500.

It is an arithmetic number, because the mean of its divisors is an integer number (25728493).

Almost surely, 288211972 is an apocalyptic number.

It is an amenable number.

88211972 is a deficient number, since it is larger than the sum of its proper divisors (66158986).

88211972 is a wasteful number, since it uses less digits than its factorization.

88211972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22052997 (or 22052995 counting only the distinct ones).

The product of its digits is 16128, while the sum is 38.

The square root of 88211972 is about 9392.1228697244. The cubic root of 88211972 is about 445.1528692485.

The spelling of 88211972 in words is "eighty-eight million, two hundred eleven thousand, nine hundred seventy-two".

Divisors: 1 2 4 22052993 44105986 88211972