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1013972 = 22253493
BaseRepresentation
bin11110111100011010100
31220111220112
43313203110
5224421342
633422152
711422121
oct3674324
91814815
101013972
116328a3
1240a958
132966ab
141c5748
15150682
hexf78d4

1013972 has 6 divisors (see below), whose sum is σ = 1774458. Its totient is φ = 506984.

The previous prime is 1013933. The next prime is 1013993. The reversal of 1013972 is 2793101.

It can be written as a sum of positive squares in only one way, i.e., 1012036 + 1936 = 1006^2 + 44^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126743 + ... + 126750.

It is an arithmetic number, because the mean of its divisors is an integer number (295743).

21013972 is an apocalyptic number.

It is an amenable number.

1013972 is a deficient number, since it is larger than the sum of its proper divisors (760486).

1013972 is a wasteful number, since it uses less digits than its factorization.

1013972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253497 (or 253495 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1013972 is about 1006.9617669008. The cubic root of 1013972 is about 100.4635809396.

The spelling of 1013972 in words is "one million, thirteen thousand, nine hundred seventy-two".

Divisors: 1 2 4 253493 506986 1013972