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145027398 = 2353456061
BaseRepresentation
bin10001010010011…
…11000101000110
3101002220011012010
420221033011012
5244111334043
622220235050
73410466255
oct1051170506
9332804163
10145027398
117495625a
124069ba86
132407a739
141539279c
15caeb133
hex8a4f146

145027398 has 16 divisors (see below), whose sum is σ = 295528176. Its totient is φ = 47430240.

The previous prime is 145027387. The next prime is 145027409. The reversal of 145027398 is 893720541.

It is an interprime number because it is at equal distance from previous prime (145027387) and next prime (145027409).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227713 + ... + 228348.

It is an arithmetic number, because the mean of its divisors is an integer number (18470511).

Almost surely, 2145027398 is an apocalyptic number.

145027398 is an abundant number, since it is smaller than the sum of its proper divisors (150500778).

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

145027398 is a wasteful number, since it uses less digits than its factorization.

145027398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456119.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 145027398 is about 12042.7321650861. The cubic root of 145027398 is about 525.3918743150.

The spelling of 145027398 in words is "one hundred forty-five million, twenty-seven thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 53 106 159 318 456061 912122 1368183 2736366 24171233 48342466 72513699 145027398